Sander



FIG. 1 is a left side elevational view of a sander showing my new design, the right side elevational view being a mirror image thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a perspective view thereof. 

What is claimed is the ornamental design for a sander, as shown and described. 